National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

A Few Clouds

73°F

23°C

Humidity 79%
Wind Speed E 3 mph
Barometer 29.83 in (1009.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 30 Jun 10:56 pm CDT
Extended Forecast for

Harrisburg SD

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 3am, then showers and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 67. East southeast wind 5 to 10 mph becoming south southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 67 °F

    Heavy Rain

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 2pm, then a chance of rain between 2pm and 4pm. Partly sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am. Low around 70. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 70 °F

    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely

  • Independence Day

    Independence Day: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Rain likely and possibly a thunderstorm before 3am, then showers and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 67. East southeast wind 5 to 10 mph becoming south southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and thunderstorms likely before 2pm, then a chance of rain between 2pm and 4pm. Partly sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am. Low around 70. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Friday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Independence Day
Partly sunny, with a high near 84.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg SD
 43.43°N 96.7°W (Elev. 1421 ft)
Last Update:
10:48 pm CDT Jun 30, 2026
Forecast Valid:
11pm CDT Jun 30, 2026-6pm CDT Jul 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation